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Airthings 322
Airthings 322 Wave Enhance -Indoor Air Quality Monitor for CO2, VOC, Humidity, Temp, Pressure plus Noise & Light Sensors - Monitors Conditions for Sleep in Bedrooms & for Concentration in Home Offices
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Rather than a screen, this battery-powered monitor shows a color-coded light on touch and sends full readings to a Bluetooth app. It tracks CO2 (400–5000 ppm), VOCs, temperature, humidity and air pressure, plus noise and light, with automatic weekly baseline calibration. At 0.10 kg it is one of the lightest units, and its 5-year warranty with registration is longer than most, suiting buyers comfortable checking readings by phone.
- Price
- $119.00
- Brand
- Airthings
Prices from Amazon as of . Product prices and availability are accurate as of the date and time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of the product. As an Amazon Associate I earn from qualifying purchases.
How it compares
Compared with the other carbon dioxide detectors on this site that list each value:
- Weight 0.22 lbs: lower than 94% of 19 others
- Weight 0.10 kg: lower than 89% of 19 others
- Width 3.15 in.: higher than 77% of 18 others
- Width 80 mm: higher than 77% of 18 others
- Depth/Height 1.06 in.: lower than 77% of 18 others
- Depth/Height 27 mm: lower than 77% of 18 others
Specifications
These details are subject to change and may not be current. Please check Amazon or manufacturer web site to confirm before purchase.
Detection capabilities
- Gases detected
- CO2 and VOC
- Max. CO2 detection
- 5,000 ppm
- Min. CO2 detection
- 400 ppm
- Accuracy
- ±50 ppm ±5%
- Sampling interval
- 300 s
- Temperature & humidity readout
- Yes
- Sensor type
- NDIR
- Calibration method
- Automatic baseline calibration, updated weekly
Physical Attributes
- Weight
- 0.22 lbs
- Weight
- 0.10 kg
- Length
- 3.15 in.
- Length
- 80 mm
- Width
- 3.15 in.
- Width
- 80 mm
- Depth/Height
- 1.06 in.
- Depth/Height
- 27 mm
Power
- Power sources
- 2 AA batteries
Core specs
- Battery chemistry
- AA alkaline
Operating Temp Range
- Operating temp min
- 32 ℉
- Operating temp max
- 113 ℉
- Operating temp min
- 0 ℃
- Operating temp max
- 45 ℃
- Max operating humidity
- 95 % RH
Certifications
- Certifications summary
- FCC Part 15 (FCC ID 2APPT-322), IC 23900-322
- FCC Part 15 compliant
- Yes
More specifications
- Warranty
- 5 Years with Registration
Features
- 5 ALWAYS-ON AIR QUALITY SENSORS: Bluetooth-connected indoor air quality monitor measuring carbon dioxide (CO2), VOCs (airborne gases, fumes and cleaning products), humidity, temperature, and air pressure. Also tracks noise and light levels.
- GREAT FOR BEDROOMS & HOME OFFICE: High levels of carbon dioxide in the air, a sign of insufficient ventilation, can cause poor sleep at night and difficulty focusing during the day. Know your levels and improve your air.
- FREE & FRIENDLY APP: Use the Airthings app to manage notifications, check current readings, and analyze trends over time. Check your local pollen forecast and get helpful advice and product support.
- EASY-TO-USE & CABLE-FREE : Quick and easy setup. Understated, battery-powered unit for cable-free placement. Touch sensor for color-coded air quality indicator - access to complete readings in the app.
- WHAT YOU GET: Airthings Wave Enhance, 2 AA batteries, Quick Start Guide, Airthings Support and optional and free 5-year extended warranty to increase your standard product warranty.
Similar products from other brands
Chosen for their similar specifications and price.
 This productAirthings 322 |
 INKBIRDPLUS PTH-10C |
 SAF Aranet4 HOME (TDSPC0H3) |
 Inkbird IAM-T1 |
|
|---|---|---|---|---|
| Price | $119.00 | $42.99 | $189.00 | $129.99 |
| Model | 322 | PTH-10C | Aranet4 HOME (TDSPC0H3) | IAM-T1 |
| Gases detected | CO2 and VOC | CO2 | CO2 | CO2 |
| Max. CO2 detection (ppm) | 5,000 | 5,000 | 9,999 | 9,999 |
| Min. CO2 detection (ppm) | 400 | 400 | 0 | 0 |
| Accuracy | ±50 ppm ±5% | ±(50ppm + 5%) | ±(30 ppm + 3% of reading) | ±(30 ppm + 3% of reading) |
| Resolution (ppm) | – | – | 1 | 1 |
| Sampling interval (s) | 300 | – | 300 | 60 |
| Temperature & humidity readout | Yes | – | Yes | Yes |
| Sensor type | NDIR | NDIR | NDIR | NDIR (Senseair) |
| Calibration method | Automatic baseline calibration, updated weekly | Automatic calibration (can be turned off); manual calibration (200-second countdown in fresh air) | Factory calibrated, automatic (ABC) and manual fresh-air calibration | Built-in auto-calibration; manual calibration via app |
| Data logging | – | – | Yes | Yes |
| High alarm level (ppm) | – | 1,500 | 1,400 | 1,400 |
| Adjustable alarm levels | – | Yes | Yes | Yes |
| Alarm types | – | Sound, color indicator lights | Color-coded screen and optional buzzer | Buzzer sound and on-screen alarm |
| Weight (lbs) | 0.22 | 0.31 | 0.23 | 0.30 |
| Weight (kg) | 0.10 | 0.14 | 0.10 | 0.14 |
| Length (in.) | 3.15 | 2.99 | 2.80 | 2.95 |
| Length (mm) | 80 | 76 | 71 | 75 |
| Width (in.) | 3.15 | 2.76 | 2.80 | 3.15 |
| Width (mm) | 80 | 70 | 71 | 80 |
| Depth/Height (in.) | 1.06 | 1.18 | 0.94 | 1.30 |
| Depth/Height (mm) | 27 | 30 | 24 | 33 |
| Display type | – | Full-color LCD | E-ink | 2.13-inch electronic ink (e-ink) display |
| IP rating | – | – | IP20 | – |
| Power sources | 2 AA batteries | – | 2 AA batteries | 2 x AA batteries |
| DC input voltage | – | 5V-24V | – | 3V |
| Charging port | – | USB-C | – | – |
| Battery runtime (hours) | – | 72 | – | – |
| Battery capacity (mAh) | – | 1,000 | – | – |
| Battery chemistry | AA alkaline | Lithium-ion polymer | Alkaline (AA, included); lithium AA also supported | Alkaline (2 x AA) |
| Operating temp min (℉) | 32 | – | 32 | 32 |
| Operating temp max (℉) | 113 | – | 122 | 122 |
| Operating temp min (℃) | 0 | – | 0 | 0 |
| Operating temp max (℃) | 45 | – | 50 | 50 |
| Max operating humidity (% RH) | 95 | – | 85 | – |
| Certifications summary | FCC Part 15 (FCC ID 2APPT-322), IC 23900-322 | – | CE, FCC, ISED | FCC Part 15 Class B statement |
| FCC Part 15 compliant | Yes | – | Yes | Yes |
| CE marked | – | – | Yes | – |
| Warranty | 5 Years with Registration | 1 Year | 2 Years | 1 Year |
Data sources
Data for this product compiled from these sources:
Specifications last updated Oct 20, 2026.